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Is your shampoo making you fat? Some of the chemicals in regular shampoos are, well, hair-raising. Synthetic preservatives called parabens have a structure like estrogen that can interfere with the body's natural hormones -- leading to side effects such as weight gain. Max Green Alchemy's Scalp Rescue Shampoo lathers up nicely, and uses ingredients like tea tree oil and lavender that clean deeply and give you great-looking hair without the worry of synthetic-chemical residue. Totally vegan and not tested on animals, this shampoo's heady garden-like scent will win you over. $14 at
MaxGreenAlchemy.com.